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Meaning of 凹凸

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āo
concave or convex; bumps and holes; uneven (surface); rugged
Related Words
Synonym: 高低 崎岖 坎坷
Antonyms: 平滑 平坦 平缓
Example Sentences
1
齿
Deaths due to state-based conflicts show jagged peaks in the two world wars, followed by a bumpy but consistent trailing-off.